Daniel 8:21

And the he goat is the king of Grecia, and the great horn that he had between his eyes is the first king.

Daniel 10:20

Then said he, Knowest thou why I have come unto thee? Because now I must return to fight with the prince of the Persians; and when I am gone forth, next the prince of Grecia shall come.

Daniel 11:3

And a valiant king shall stand up, that shall rule over a great dominion and do according to his will.

Daniel 8:5-8

And as I was considering, behold, a he goat came from the west upon the face of the whole earth and did not touch the earth: and the goat had a notable horn between his eyes.

Treasury of Scripture Knowledge

Summary

And the rough goat is the king of Grecia: and the great horn that is between his eyes is the first king.

Bible References

The rough

Daniel 8:5
And as I was considering, behold, a he goat came from the west upon the face of the whole earth and did not touch the earth: and the goat had a notable horn between his eyes.
Daniel 10:20
Then said he, Knowest thou why I have come unto thee? Because now I must return to fight with the prince of the Persians; and when I am gone forth, next the prince of Grecia shall come.

The great

Daniel 8:8
And the he goat made himself very great, and when he was at his greatest strength, that great horn was broken; and in its place came up another four marvellous ones toward the four winds of heaven.
Daniel 11:3
And a valiant king shall stand up, that shall rule over a great dominion and do according to his will.